xref: /freebsd/sys/contrib/ncsw/inc/error_ext.h (revision 852ba100)
1 /* Copyright (c) 2008-2012 Freescale Semiconductor, Inc
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 
34 /**************************************************************************//**
35  @File          error_ext.h
36 
37  @Description   Error definitions.
38 *//***************************************************************************/
39 
40 #ifndef __ERROR_EXT_H
41 #define __ERROR_EXT_H
42 
43 #if defined(NCSW_FREEBSD)
44 #include <sys/param.h>
45 #include <sys/errno.h>
46 #include <sys/pcpu.h>
47 #endif
48 
49 #include "std_ext.h"
50 #include "xx_ext.h"
51 #include "core_ext.h"
52 
53 
54 
55 
56 /**************************************************************************//**
57  @Group         gen_id  General Drivers Utilities
58 
59  @Description   External routines.
60 
61  @{
62 *//***************************************************************************/
63 
64 /**************************************************************************//**
65  @Group         gen_error_id  Errors, Events and Debug
66 
67  @Description   External routines.
68 
69  @{
70 *//***************************************************************************/
71 
72 /******************************************************************************
73 The scheme below provides the bits description for error codes:
74 
75  0    1    2    3    4    5    6    7    8    9    10   11   12   13   14   15
76 |       Reserved (should be zero)      |              Module ID               |
77 
78  16   17   18   19   20   21   22   23   24   25   26   27   28   29   30   31
79 |                               Error Type                                    |
80 ******************************************************************************/
81 
82 #define ERROR_CODE(_err)            ((((uint32_t)_err) & 0x0000FFFF) | __ERR_MODULE__)
83 
84 #define GET_ERROR_TYPE(_errcode)    ((_errcode) & 0x0000FFFF)
85                                 /**< Extract module code from error code (#t_Error) */
86 
87 #define GET_ERROR_MODULE(_errcode)  ((_errcode) & 0x00FF0000)
88                                 /**< Extract error type (#e_ErrorType) from
89                                      error code (#t_Error) */
90 
91 
92 /**************************************************************************//**
93  @Description    Error Type Enumeration
94 *//***************************************************************************/
95 typedef enum e_ErrorType    /*   Comments / Associated Message Strings                      */
96 {                           /* ------------------------------------------------------------ */
97     E_OK = 0                /*   Never use "RETURN_ERROR" with E_OK; Use "return E_OK;"     */
98     ,E_WRITE_FAILED = EIO   /**< Write access failed on memory/device.                      */
99                             /*   String: none, or device name.                              */
100     ,E_NO_DEVICE = ENXIO    /**< The associated device is not initialized.                  */
101                             /*   String: none.                                              */
102     ,E_NOT_AVAILABLE = EAGAIN
103                             /**< Resource is unavailable.                                   */
104                             /*   String: none, unless the operation is not the main goal
105                                  of the function (in this case add resource description).   */
106     ,E_NO_MEMORY = ENOMEM   /**< External memory allocation failed.                         */
107                             /*   String: description of item for which allocation failed.   */
108     ,E_INVALID_ADDRESS = EFAULT
109                             /**< Invalid address.                                           */
110                             /*   String: description of the specific violation.             */
111     ,E_BUSY = EBUSY         /**< Resource or module is busy.                                */
112                             /*   String: none, unless the operation is not the main goal
113                                  of the function (in this case add resource description).   */
114     ,E_ALREADY_EXISTS = EEXIST
115                             /**< Requested resource or item already exists.                 */
116                             /*   Use when resource duplication or sharing are not allowed.
117                                  String: none, unless the operation is not the main goal
118                                  of the function (in this case add item description).       */
119     ,E_INVALID_OPERATION = ENODEV
120                             /**< The operation/command is invalid (unrecognized).           */
121                             /*   String: none.                                              */
122     ,E_INVALID_VALUE = EDOM /**< Invalid value.                                             */
123                             /*   Use for non-enumeration parameters, and
124                                  only when other error types are not suitable.
125                                  String: parameter description + "(should be <attribute>)",
126                                  e.g: "Maximum Rx buffer length (should be divisible by 8)",
127                                       "Channel number (should be even)".                    */
128     ,E_NOT_IN_RANGE = ERANGE/**< Parameter value is out of range.                           */
129                             /*   Don't use this error for enumeration parameters.
130                                  String: parameter description + "(should be %d-%d)",
131                                  e.g: "Number of pad characters (should be 0-15)".          */
132     ,E_NOT_SUPPORTED = ENOSYS
133                             /**< The function is not supported or not implemented.          */
134                             /*   String: none.                                              */
135     ,E_INVALID_STATE        /**< The operation is not allowed in current module state.      */
136                             /*   String: none.                                              */
137     ,E_INVALID_HANDLE       /**< Invalid handle of module or object.                        */
138                             /*   String: none, unless the function takes in more than one
139                                  handle (in this case add the handle description)           */
140     ,E_INVALID_ID           /**< Invalid module ID (usually enumeration or index).          */
141                             /*   String: none, unless the function takes in more than one
142                                  ID (in this case add the ID description)                   */
143     ,E_NULL_POINTER         /**< Unexpected NULL pointer.                                   */
144                             /*   String: pointer description.                               */
145     ,E_INVALID_SELECTION    /**< Invalid selection or mode.                                 */
146                             /*   Use for enumeration values, only when other error types
147                                  are not suitable.
148                                  String: parameter description.                             */
149     ,E_INVALID_COMM_MODE    /**< Invalid communication mode.                                */
150                             /*   String: none, unless the function takes in more than one
151                                  communication mode indications (in this case add
152                                  parameter description).                                    */
153     ,E_INVALID_MEMORY_TYPE  /**< Invalid memory type.                                       */
154                             /*   String: none, unless the function takes in more than one
155                                  memory types (in this case add memory description,
156                                  e.g: "Data memory", "Buffer descriptors memory").          */
157     ,E_INVALID_CLOCK        /**< Invalid clock.                                             */
158                             /*   String: none, unless the function takes in more than one
159                                  clocks (in this case add clock description,
160                                  e.g: "Rx clock", "Tx clock").                              */
161     ,E_CONFLICT             /**< Some setting conflicts with another setting.               */
162                             /*   String: description of the conflicting settings.           */
163     ,E_NOT_ALIGNED          /**< Non-aligned address.                                       */
164                             /*   String: parameter description + "(should be %d-bytes aligned)",
165                                  e.g: "Rx data buffer (should be 32-bytes aligned)".        */
166     ,E_NOT_FOUND            /**< Requested resource or item was not found.                  */
167                             /*   Use only when the resource/item is uniquely identified.
168                                  String: none, unless the operation is not the main goal
169                                  of the function (in this case add item description).       */
170     ,E_FULL                 /**< Resource is full.                                          */
171                             /*   String: none, unless the operation is not the main goal
172                                  of the function (in this case add resource description).   */
173     ,E_EMPTY                /**< Resource is empty.                                         */
174                             /*   String: none, unless the operation is not the main goal
175                                  of the function (in this case add resource description).   */
176     ,E_ALREADY_FREE         /**< Specified resource or item is already free or deleted.     */
177                             /*   String: none, unless the operation is not the main goal
178                                  of the function (in this case add item description).       */
179     ,E_READ_FAILED          /**< Read access failed on memory/device.                       */
180                             /*   String: none, or device name.                              */
181     ,E_INVALID_FRAME        /**< Invalid frame object (NULL handle or missing buffers).     */
182                             /*   String: none.                                              */
183     ,E_SEND_FAILED          /**< Send operation failed on device.                           */
184                             /*   String: none, or device name.                              */
185     ,E_RECEIVE_FAILED       /**< Receive operation failed on device.                        */
186                             /*   String: none, or device name.                              */
187     ,E_TIMEOUT/* = ETIMEDOUT*/  /**< The operation timed out.                                   */
188                             /*   String: none.                                              */
189 
190     ,E_DUMMY_LAST           /* NEVER USED */
191 
192 } e_ErrorType;
193 
194 /**************************************************************************//**
195  @Description    Event Type Enumeration
196 *//***************************************************************************/
197 typedef enum e_Event        /*   Comments / Associated Flags and Message Strings            */
198 {                           /* ------------------------------------------------------------ */
199     EV_NO_EVENT = 0         /**< No event; Never used.                                      */
200 
201     ,EV_RX_DISCARD          /**< Received packet discarded (by the driver, and only for
202                                  complete packets);
203                                  Flags: error flags in case of error, zero otherwise.       */
204                             /*   String: reason for discard, e.g: "Error in frame",
205                                  "Disordered frame", "Incomplete frame", "No frame object". */
206     ,EV_RX_ERROR            /**< Receive error (by hardware/firmware);
207                                  Flags: usually status flags from the buffer descriptor.    */
208                             /*   String: none.                                              */
209     ,EV_TX_ERROR            /**< Transmit error (by hardware/firmware);
210                                  Flags: usually status flags from the buffer descriptor.    */
211                             /*   String: none.                                              */
212     ,EV_NO_BUFFERS          /**< System ran out of buffer objects;
213                                  Flags: zero.                                               */
214                             /*   String: none.                                              */
215     ,EV_NO_MB_FRAMES        /**< System ran out of multi-buffer frame objects;
216                                  Flags: zero.                                               */
217                             /*   String: none.                                              */
218     ,EV_NO_SB_FRAMES        /**< System ran out of single-buffer frame objects;
219                                  Flags: zero.                                               */
220                             /*   String: none.                                              */
221     ,EV_TX_QUEUE_FULL       /**< Transmit queue is full;
222                                  Flags: zero.                                               */
223                             /*   String: none.                                              */
224     ,EV_RX_QUEUE_FULL       /**< Receive queue is full;
225                                  Flags: zero.                                               */
226                             /*   String: none.                                              */
227     ,EV_INTR_QUEUE_FULL     /**< Interrupt queue overflow;
228                                  Flags: zero.                                               */
229                             /*   String: none.                                              */
230     ,EV_NO_DATA_BUFFER      /**< Data buffer allocation (from higher layer) failed;
231                                  Flags: zero.                                               */
232                             /*   String: none.                                              */
233     ,EV_OBJ_POOL_EMPTY      /**< Objects pool is empty;
234                                  Flags: zero.                                               */
235                             /*   String: object description (name).                         */
236     ,EV_BUS_ERROR           /**< Illegal access on bus;
237                                  Flags: the address (if available) or bus identifier        */
238                             /*   String: bus/address/module description.                    */
239     ,EV_PTP_TXTS_QUEUE_FULL /**< PTP Tx timestamps queue is full;
240                                  Flags: zero.                                               */
241                             /*   String: none.                                              */
242     ,EV_PTP_RXTS_QUEUE_FULL /**< PTP Rx timestamps queue is full;
243                                  Flags: zero.                                               */
244                             /*   String: none.                                              */
245     ,EV_DUMMY_LAST
246 
247 } e_Event;
248 
249 
250 /**************************************************************************//**
251  @Collection    Debug Levels for Errors and Events
252 
253                 The level description refers to errors only.
254                 For events, classification is done by the user.
255 
256                 The TRACE, INFO and WARNING levels are allowed only when using
257                 the DBG macro, and are not allowed when using the error macros
258                 (RETURN_ERROR or REPORT_ERROR).
259  @{
260 *//***************************************************************************/
261 #define REPORT_LEVEL_CRITICAL   1       /**< Crasher: Incorrect flow, NULL pointers/handles. */
262 #define REPORT_LEVEL_MAJOR      2       /**< Cannot proceed: Invalid operation, parameters or
263                                              configuration. */
264 #define REPORT_LEVEL_MINOR      3       /**< Recoverable problem: a repeating call with the same
265                                              parameters may be successful. */
266 #define REPORT_LEVEL_WARNING    4       /**< Something is not exactly right, yet it is not an error. */
267 #define REPORT_LEVEL_INFO       5       /**< Messages which may be of interest to user/programmer. */
268 #define REPORT_LEVEL_TRACE      6       /**< Program flow messages. */
269 
270 #define EVENT_DISABLED          0xFF    /**< Disabled event (not reported at all) */
271 
272 /* @} */
273 
274 
275 
276 #define NO_MSG      ("")
277 
278 #ifndef DEBUG_GLOBAL_LEVEL
279 #define DEBUG_GLOBAL_LEVEL  REPORT_LEVEL_WARNING
280 #endif /* DEBUG_GLOBAL_LEVEL */
281 
282 #ifndef ERROR_GLOBAL_LEVEL
283 #define ERROR_GLOBAL_LEVEL  DEBUG_GLOBAL_LEVEL
284 #endif /* ERROR_GLOBAL_LEVEL */
285 
286 #ifndef EVENT_GLOBAL_LEVEL
287 #define EVENT_GLOBAL_LEVEL  REPORT_LEVEL_MINOR
288 #endif /* EVENT_GLOBAL_LEVEL */
289 
290 #ifdef EVENT_LOCAL_LEVEL
291 #define EVENT_DYNAMIC_LEVEL EVENT_LOCAL_LEVEL
292 #else
293 #define EVENT_DYNAMIC_LEVEL EVENT_GLOBAL_LEVEL
294 #endif /* EVENT_LOCAL_LEVEL */
295 
296 
297 #ifndef DEBUG_DYNAMIC_LEVEL
298 #define DEBUG_USING_STATIC_LEVEL
299 
300 #ifdef DEBUG_STATIC_LEVEL
301 #define DEBUG_DYNAMIC_LEVEL DEBUG_STATIC_LEVEL
302 #else
303 #define DEBUG_DYNAMIC_LEVEL DEBUG_GLOBAL_LEVEL
304 #endif /* DEBUG_STATIC_LEVEL */
305 
306 #else /* DEBUG_DYNAMIC_LEVEL */
307 #ifdef DEBUG_STATIC_LEVEL
308 #error "Please use either DEBUG_STATIC_LEVEL or DEBUG_DYNAMIC_LEVEL (not both)"
309 #else
310 int DEBUG_DYNAMIC_LEVEL = DEBUG_GLOBAL_LEVEL;
311 #endif /* DEBUG_STATIC_LEVEL */
312 #endif /* !DEBUG_DYNAMIC_LEVEL */
313 
314 
315 #ifndef ERROR_DYNAMIC_LEVEL
316 
317 #ifdef ERROR_STATIC_LEVEL
318 #define ERROR_DYNAMIC_LEVEL ERROR_STATIC_LEVEL
319 #else
320 #define ERROR_DYNAMIC_LEVEL ERROR_GLOBAL_LEVEL
321 #endif /* ERROR_STATIC_LEVEL */
322 
323 #else /* ERROR_DYNAMIC_LEVEL */
324 #ifdef ERROR_STATIC_LEVEL
325 #error "Please use either ERROR_STATIC_LEVEL or ERROR_DYNAMIC_LEVEL (not both)"
326 #else
327 int ERROR_DYNAMIC_LEVEL = ERROR_GLOBAL_LEVEL;
328 #endif /* ERROR_STATIC_LEVEL */
329 #endif /* !ERROR_DYNAMIC_LEVEL */
330 
331 #define PRINT_FORMAT        "[CPU%02d, %s:%d %s]"
332 #define PRINT_FMT_PARAMS    PCPU_GET(cpuid), __FILE__, __LINE__, __FUNCTION__
333 
334 #if (!(defined(DEBUG_ERRORS)) || (DEBUG_ERRORS == 0))
335 /* No debug/error/event messages at all */
336 #define DBG(_level, _vmsg)
337 
338 #define REPORT_ERROR(_level, _err, _vmsg)
339 
340 #define RETURN_ERROR(_level, _err, _vmsg) \
341         return ERROR_CODE(_err)
342 
343 #if (REPORT_EVENTS > 0)
344 
345 #define REPORT_EVENT(_ev, _appId, _flg, _vmsg) \
346     do { \
347         if (_ev##_LEVEL <= EVENT_DYNAMIC_LEVEL) { \
348             XX_EventById((uint32_t)(_ev), (t_Handle)(_appId), (uint16_t)(_flg), NO_MSG); \
349         } \
350     } while (0)
351 
352 #else
353 
354 #define REPORT_EVENT(_ev, _appId, _flg, _vmsg)
355 
356 #endif /* (REPORT_EVENTS > 0) */
357 
358 
359 #else /* DEBUG_ERRORS > 0 */
360 
361 extern const char *dbgLevelStrings[];
362 #if (REPORT_EVENTS > 0)
363 extern const char *eventStrings[];
364 #endif /* (REPORT_EVENTS > 0) */
365 
366 char * ErrTypeStrings (e_ErrorType err);
367 
368 
369 #if ((defined(DEBUG_USING_STATIC_LEVEL)) && (DEBUG_DYNAMIC_LEVEL < REPORT_LEVEL_WARNING))
370 /* No need for DBG macro - debug level is higher anyway */
371 #define DBG(_level, _vmsg)
372 #else
373 #define DBG(_level, _vmsg) \
374     do { \
375         if (REPORT_LEVEL_##_level <= DEBUG_DYNAMIC_LEVEL) { \
376             XX_Print("> %s (%s) " PRINT_FORMAT ": ", \
377                      dbgLevelStrings[REPORT_LEVEL_##_level - 1], \
378                      __STRING(__ERR_MODULE__), \
379                      PRINT_FMT_PARAMS); \
380             XX_Print _vmsg; \
381             XX_Print("\r\n"); \
382         } \
383     } while (0)
384 #endif /* (defined(DEBUG_USING_STATIC_LEVEL) && (DEBUG_DYNAMIC_LEVEL < WARNING)) */
385 
386 
387 #define REPORT_ERROR(_level, _err, _vmsg) \
388     do { \
389         if (REPORT_LEVEL_##_level <= ERROR_DYNAMIC_LEVEL) { \
390             XX_Print("! %s %s Error " PRINT_FORMAT ": %s; ", \
391                      dbgLevelStrings[REPORT_LEVEL_##_level - 1], \
392                      __STRING(__ERR_MODULE__), \
393                      PRINT_FMT_PARAMS, \
394                      ErrTypeStrings((e_ErrorType)GET_ERROR_TYPE(_err))); \
395             XX_Print _vmsg; \
396             XX_Print("\r\n"); \
397         } \
398     } while (0)
399 
400 
401 #define RETURN_ERROR(_level, _err, _vmsg) \
402     do { \
403         REPORT_ERROR(_level, (_err), _vmsg); \
404         return ERROR_CODE(_err); \
405     } while (0)
406 
407 
408 #if (REPORT_EVENTS > 0)
409 
410 #define REPORT_EVENT(_ev, _appId, _flg, _vmsg) \
411     do { \
412         if (_ev##_LEVEL <= EVENT_DYNAMIC_LEVEL) { \
413             XX_Print("~ %s %s Event " PRINT_FORMAT ": %s (flags: 0x%04x); ", \
414                      dbgLevelStrings[_ev##_LEVEL - 1], \
415                      __STRING(__ERR_MODULE__), \
416                      PRINT_FMT_PARAMS, \
417                      eventStrings[((_ev) - EV_NO_EVENT - 1)], \
418                      (uint16_t)(_flg)); \
419             XX_Print _vmsg; \
420             XX_Print("\r\n"); \
421             XX_EventById((uint32_t)(_ev), (t_Handle)(_appId), (uint16_t)(_flg), NO_MSG); \
422         } \
423     } while (0)
424 
425 #else /* not REPORT_EVENTS */
426 
427 #define REPORT_EVENT(_ev, _appId, _flg, _vmsg)
428 
429 #endif /* (REPORT_EVENTS > 0) */
430 
431 #endif /* (DEBUG_ERRORS > 0) */
432 
433 
434 /**************************************************************************//**
435  @Function      ASSERT_COND
436 
437  @Description   Assertion macro.
438 
439  @Param[in]     _cond - The condition being checked, in positive form;
440                         Failure of the condition triggers the assert.
441 *//***************************************************************************/
442 #ifdef DISABLE_ASSERTIONS
443 #define ASSERT_COND(_cond)
444 #else
445 #define ASSERT_COND(_cond) \
446     do { \
447         if (!(_cond)) { \
448             XX_Print("*** ASSERT_COND failed " PRINT_FORMAT "\r\n", \
449                     PRINT_FMT_PARAMS); \
450             XX_Exit(1); \
451         } \
452     } while (0)
453 #endif /* DISABLE_ASSERTIONS */
454 
455 
456 #ifdef DISABLE_INIT_PARAMETERS_CHECK
457 
458 #define CHECK_INIT_PARAMETERS(handle, f_check)
459 #define CHECK_INIT_PARAMETERS_RETURN_VALUE(handle, f_check, retval)
460 
461 #else
462 
463 #define CHECK_INIT_PARAMETERS(handle, f_check) \
464     do { \
465         t_Error err = f_check(handle); \
466         if (err != E_OK) { \
467             RETURN_ERROR(MAJOR, err, NO_MSG); \
468         } \
469     } while (0)
470 
471 #define CHECK_INIT_PARAMETERS_RETURN_VALUE(handle, f_check, retval) \
472     do { \
473         t_Error err = f_check(handle); \
474         if (err != E_OK) { \
475             REPORT_ERROR(MAJOR, err, NO_MSG); \
476             return (retval); \
477         } \
478     } while (0)
479 
480 #endif /* DISABLE_INIT_PARAMETERS_CHECK */
481 
482 #ifdef DISABLE_SANITY_CHECKS
483 
484 #define SANITY_CHECK_RETURN_ERROR(_cond, _err)
485 #define SANITY_CHECK_RETURN_VALUE(_cond, _err, retval)
486 #define SANITY_CHECK_RETURN(_cond, _err)
487 #define SANITY_CHECK_EXIT(_cond, _err)
488 
489 #else /* DISABLE_SANITY_CHECKS */
490 
491 #define SANITY_CHECK_RETURN_ERROR(_cond, _err) \
492     do { \
493         if (!(_cond)) { \
494             RETURN_ERROR(CRITICAL, (_err), NO_MSG); \
495         } \
496     } while (0)
497 
498 #define SANITY_CHECK_RETURN_VALUE(_cond, _err, retval) \
499     do { \
500         if (!(_cond)) { \
501             REPORT_ERROR(CRITICAL, (_err), NO_MSG); \
502             return (retval); \
503         } \
504     } while (0)
505 
506 #define SANITY_CHECK_RETURN(_cond, _err) \
507     do { \
508         if (!(_cond)) { \
509             REPORT_ERROR(CRITICAL, (_err), NO_MSG); \
510             return; \
511         } \
512     } while (0)
513 
514 #define SANITY_CHECK_EXIT(_cond, _err) \
515     do { \
516         if (!(_cond)) { \
517             REPORT_ERROR(CRITICAL, (_err), NO_MSG); \
518             XX_Exit(1); \
519         } \
520     } while (0)
521 
522 #endif /* DISABLE_SANITY_CHECKS */
523 
524 /** @} */ /* end of Debug/error Utils group */
525 
526 /** @} */ /* end of General Utils group */
527 
528 #endif /* __ERROR_EXT_H */
529 
530 
531